Tutorial by Examples: active

If you were to hide a link by setting display: none in the CSS then screen readers wouldn’t find it. Instead, we position it absolutely, with clipping. CSS .offscreen { position: absolute; clip: rect(1px 1px 1px 1px); /* for Internet Explorer */ clip: rect(1px, 1px, 1px, 1px); padding: 0; b...

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Example code : In main.html <template name="test"> <input type="checkbox" id="checkbox1" name="name" value="data">Check Me {{showData}} </template> In Main.js var check_status=''; //Reactive Var Initialization...

The pyplot interface to matplotlib might be the simplest way to close a figure. import matplotlib.pyplot as plt plt.plot([0, 1], [0, 1]) plt.close()

Server side Meteor.methods({ getData() { return 'Hello, world!'; } }); Client side <template name="someData"> {{#if someData}} <p>{{someData}}</p> {{else}} <p>Loading...</p> {{/if}} </template> Template.someData.on...

Example: Customers who can create a post. Each customer can create multiple posts. As soon as customer creates the post, post will be under administrators review. Now we have to fetch the customers list who have all active posts by using sub-query. Note: If a customer has 5 post, among 5 posts if h...

There are two types of Active Patterns that somewhat differ in usage - Complete and Partial. Complete Active Patterns can be used when you are able to enumerate all the outcomes, like "is a number odd or even?" let (|Odd|Even|) number = if number % 2 = 0 then Even else Odd N...

For interacting with plots Matplotlib offers GUI neutral widgets. Widgets require a matplotlib.axes.Axes object. Here's a slider widget demo that ùpdates the amplitude of a sine curve. The update function is triggered by the slider's on_changed() event. import numpy as np import matplotlib.pyplot...

This example uses Angular 2.0.0 Final Release registration-form.component.ts import { FormGroup, FormControl, FormBuilder, Validators } from '@angular/forms'; @Component({ templateUrl: "./registration-form.html" }) export class ExampleComponent { ...

app.module.ts Add these into your app.module.ts file to use reactive forms import { NgModule } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { FormsModule, ReactiveFormsModule } from '@angular/forms'; import { AppComponent } from './app.comp...

You can enable/disable ajax and client validations in active form. $form = ActiveForm::begin([ 'id' => 'signup-form', 'enableClientValidation' => true, 'enableAjaxValidation' => true, 'validationUrl' => Url::to('signup'), ]); enableClientValidation is by defaul...

$ rails g job user_unsubscribe

In order to keep track of your projects' file structure, Atom, like many text editors and IDEs, uses a file tree model. These trees show the locations and names of your files and directory. To toggle the tree between visible and hidden, the keys Ctrl+\ may be used (⌘+\ for Mac OS). This tree also in...

I'll start with a really short explanation what is and why use Model-View-ViewModel (MVVM) design pattern in your iOS apps. When iOS first appeared, Apple suggested to use MVC (Model-View-Controller) as a design pattern. They showed it in all of their examples and all first developers were happy us...

Setup ActiveMQ Download a ActiveMQ distribution from activemq.apache.org and unpack it somewhere You can start the server immediately, running unsecured on localhost, using the script bin/activemq When it is running, you can access your local server's console on http://localhost:8161/admin/ Co...

Go to ActiveMQ Website and download latest stable version of activeMQ click here to activeMQ downloads after downloading, unzip it if you're using windows 32 Go to apache-activemq-5.14.3\bin\win32 if windows 64 apache-activemq-5.14.3\bin\win64 run the activemq batch file thats it...

Active Record Transactions can be applied to Model classes as well as Model instances, the objects within the transaction block need not all be instances of same class. This is because transactions are per-database connection, not per-model. For example: User.transaction do account.save! prof...

The interactive mode The most basic way to use R is the interactive mode. You type commands and immediately get the result from R. Using R as a calculator Start R by typing R at the command prompt of your operating system or by executing RGui on Windows. Below you can see a screenshot of an inter...

strComputer = "." Set objWMIService = GetObject("winmgmts:\\" & strComputer & "\root\cimv2") Set colItems = objWMIService.ExecQuery("Select * from Win32_DesktopMonitor",,48) For Each objItem in colItems WScript.Echo "ScreenHeight: " &am...

app.module.ts Add these into your app.module.ts file to use reactive forms import { NgModule } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { FormsModule, ReactiveFormsModule } from '@angular/forms'; import { AppComponent } from './app.component'; @...